AT27C1024-90VC

Product Overview

Category

AT27C1024-90VC belongs to the category of non-volatile memory devices.

Use

This product is primarily used for storing and retrieving digital information in electronic systems.

Characteristics

• Non-volatile: The stored data is retained even when power is removed.
• High capacity: The AT27C1024-90VC has a capacity of 1,048,576 bits (128 kilobytes).
• Fast access time: It operates at a speed of 90 nanoseconds.
• Low power consumption: The device is designed to minimize power usage.
• Durable: The memory cells can withstand a high number of erase/write cycles.

Package

The AT27C1024-90VC is available in a 40-pin dual in-line package (DIP).

Essence

The essence of this product lies in its ability to provide reliable and non-volatile storage for electronic systems.

Packaging/Quantity

The AT27C1024-90VC is typically packaged in tubes or trays and is available in various quantities depending on customer requirements.

Specifications

• Capacity: 1,048,576 bits (128 kilobytes)
• Access Time: 90 nanoseconds
• Supply Voltage: 5V
• Operating Temperature Range: -40°C to +85°C
• Package Type: 40-pin DIP

Detailed Pin Configuration

Pin Name | Description --- | --- A0-A16 | Address Inputs Q0-Q7 | Data Outputs CE | Chip Enable OE | Output Enable WE | Write Enable VCC | Power Supply GND | Ground

Functional Features

• Chip Enable (CE): Activates the device and allows access to the memory array.
• Output Enable (OE): Enables the data outputs for reading.
• Write Enable (WE): Enables the device for programming or erasing.
• Address Inputs (A0-A16): Selects the memory location to read from or write to.
• Data Outputs (Q0-Q7): Provide the stored data during a read operation.

Advantages and Disadvantages

Advantages

• Non-volatile storage: Retains data even without power.
• High capacity: Offers ample storage space for various applications.
• Fast access time: Allows for quick retrieval of data.
• Low power consumption: Helps conserve energy in electronic systems.
• Durable: Can withstand multiple erase/write cycles.

Disadvantages

• Limited rewrite capability: The number of erase/write cycles is finite.
• Relatively larger package size: Requires more space on the circuit board compared to smaller memory devices.

Working Principles

The AT27C1024-90VC utilizes a technology called Electrically Erasable Programmable Read-Only Memory (EEPROM). It stores data using floating-gate transistors that can be electrically programmed and erased. When a specific address is selected, the corresponding data is retrieved or written by controlling the chip enable, output enable, and write enable signals.

Detailed Application Field Plans

The AT27C1024-90VC finds applications in various fields, including: 1. Embedded systems: Used for firmware storage in microcontrollers and other embedded devices. 2. Industrial automation: Stores configuration data and program code for control systems. 3. Automotive electronics: Provides non-volatile storage for vehicle systems such as engine management units and infotainment systems. 4. Consumer electronics: Utilized in devices like gaming consoles, set-top boxes, and digital cameras for storing firmware and user data.

Detailed and Complete Alternative Models

1. AT28C256-15PU: 256-kilobit EEPROM with a 150 nanosecond access time.
2. AT29C010A-12PC: 1-megabit Flash memory with a 120 nanosecond access time.
3. AT25SF041-SSHD-T: 4-megabit Serial Flash memory with a 33 megahertz clock speed.

These alternative models offer different capacities, access times, and package types to suit specific application requirements.

In conclusion, the AT27C1024-90VC is a non-volatile memory device that provides reliable storage for electronic systems. With its high capacity, fast access time, and low power consumption, it is suitable for a wide range of applications in various industries.